[coreboot] FILO bug disk not seen at ata-0 (Doesn't try to detect on ATA only SIL3114)

[Rudolf Marek]

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Hi,

The sil3114 chip has a class code set to something else then IDE by strap
resistor. It took me long time to figure out that this chip is otherwise IDE
compatible ;)

Try attached patch for coreboot which reprograms it back to IDE mode ;)

It should start to work - booting from FILO and from Seabios.

Rudolf
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